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package com.sun.enterprise.addon;
import java.io.*;
import java.lang.reflect.*;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.jar.*;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.util.OS;
/**
* This class represents a particular addon
* @author servesh.singh@sun.com
*/
public class Addon {
private File addonJar;
/** Creates a new instance of Addon */
public Addon(File addonJar) {
this.addonJar = addonJar;
}
public boolean install(String installDir, String instanceRoot) throws Exception
{
JarFile file = new JarFile(addonJar);
Manifest mf = file.getManifest();
Attributes attributes = null;
if(mf != null) {
attributes = mf.getMainAttributes();
if(attributes != null) {
String mainClass = attributes.getValue(Attributes.Name.MAIN_CLASS);
Logger.getAnonymousLogger().log(Level.FINE, "Addon getting installed: "+addonJar);
Logger.getAnonymousLogger().log(Level.FINE, "Main Class "+mainClass);
if(mainClass != null) {
URL url = addonJar.toURI().toURL();
List<URL> classPath = new ArrayList<URL>();
classPath.add(url);
addClasspath(installDir, classPath);
//URL[] urls = new URL[] {url};
URL[] urls = classPath.toArray(new URL[] {});
URLClassLoader loader = new URLClassLoader(urls);
Class main = loader.loadClass(mainClass);
//for(int j =0; j < urls.length; j++) {
// Logger.getAnonymousLogger().log(Level.INFO, "urls "+urls[j].toString());
//}
Object obj = main.newInstance();
String[] argu = new String[] {installDir, instanceRoot};
Class[] types = new Class[] {argu.getClass()};
Method method = main.getMethod(AddonConstants.MAIN, types);
Object[] args = new Object[] { argu };
method.invoke(obj,args);
return true;
} else
return false;
} else
return false;
} else
return false;
}
/**
* This will add the ant jars and lib jars into classpath
* @param installDir Installation Directory
* @param classPath
*/
private void addClasspath(String installDir, List classPath) throws Exception{
BufferedReader bf = null;
InputStream in = null;
try {
String asenv="";
if(OS.isUNIX())
asenv = installDir + File.separator + AddonConstants.CONFIG + File.separator + AddonConstants.ASENVCONF;
else
asenv = installDir + File.separator + AddonConstants.CONFIG + File.separator + AddonConstants.ASENVBAT;
in = new FileInputStream(asenv);
String antLib = "";
bf = new BufferedReader(new InputStreamReader(in));
String line = bf.readLine();
while(line != null) {
if(line.indexOf(AddonConstants.ASANTLIB) != -1) {
int pos = line.indexOf("=");
if (pos > 0) {
String lhs = (line.substring(0, pos)).trim();
String rhs = (line.substring(pos + 1)).trim();
if (OS.isWindows()) { //trim off the "set "
lhs = (lhs.substring(3)).trim();
}
if (OS.isUNIX()) { // take the quotes out
pos = rhs.indexOf("\"");
if(pos != -1) {
rhs = (rhs.substring(pos+1)).trim();
pos = rhs.indexOf("\"");
if(pos != -1)
rhs = (rhs.substring(0, pos)).trim();
}
}
antLib = rhs;
break;
}
}
line = bf.readLine();
}
Logger.getAnonymousLogger().log(Level.FINE,"antLib "+antLib);
File antLibDir = new File(antLib);
File[] fileArray = antLibDir.listFiles();
for(int i = 0;i<fileArray.length;i++) {
if(fileArray[i].getName().endsWith(".jar")) {
URL url = fileArray[i].toURI().toURL();
classPath.add(url);
}
}
File installLib = new File(installDir + File.separator + AddonConstants.LIB );
File[] installLibArray = installLib.listFiles();
Logger.getAnonymousLogger().log(Level.FINE,"installLib "+installLib.getAbsolutePath());
for(int i = 0;i<installLibArray.length;i++) {
if(installLibArray[i].getName().endsWith(".jar")) {
URL url = installLibArray[i].toURI().toURL();
classPath.add(url);
}
}
}catch(Exception e) {
throw e;
} finally {
if(bf != null)
bf.close();
if(in != null)
in.close();
}
}
}
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